Structural Design - Analysis of Changes for the 5 th Edition (2014) of the Florida Codes

1602 Definitions: Production

Greenhouse - - Definition deleted.

Table 1604.3 Deflection limits Table 1604.3 Deflection limits

Revised to add a new line item for deflection limits for exterior walls and interior partitions with plaster or stucco finishes. Such walls are limited to a deflection of l/360.

1604.3.3 Steel (serviceability) 1604.3.3 Steel (serviceability) Reference to ASCE 3 has been deleted.

1604.3.6 Limits 1604.3.6 Limits

Revised to address potential increased deflection requirements that may be necessary for certain finishes not specifically addressed in Table 1604.3

1604.5 Risk Category 1604.5 Risk Category

New language added stating that the where a referenced standard specifies a risk category that it cannot be taken as lower than the category specified in Table 1604.5

Table 1604.5 Risk Category of Buildings and

Other Structures Table 1604.5 Risk Category of Buildings and Other Structures

The classification of hazardous materials in Risk Categories III and IV have been revised for coordination with hazardous materials requirements in the FBCB and FFPC.

1605.2.1 Basic load combinations

(LRFD) 1605.2

Load combinations using strength design or load and resistance factor design

Fluid (F) and lateral earth pressure (H) load combinations have been revised for

consistency with ASCE 7. Self restraining loads (T) have been removed and replaced with a reference to ASCE 7 for load

combinations including T.

1605.2.2 Flood loads 1605.2.1 Other loads Revised to require ice-sensitive structures to meet the load combinations of ASCE 7.

1605.3.1 Basic load combinations (ASD) 1605.3.1 Basic load combinations (ASD)

Fluid (F) and lateral earth pressure (H) load combinations have been revised for

consistency with ASCE 7. Self restraining loads (T) have been removed and replaced

with a reference to ASCE 7 for load combinations including T. Wind load W is permitted to be reduced by 10% in Eq. 16-14 for design of the foundation other than anchorage of the structure to the

foundation.

1605.3.1.2 Flood loads 1605.3.1.2 Other loads Revised to require ice-sensitive structures to meet the load combinations of ASCE 7.

1605.3.2.1 Other loads (alternate basic

load combinations) 1605.3.2.1 Other loads (alternate basic load combinations)

Revised to require ice-sensitive structures to meet the load combinations of ASCE 7.

Table 1607.1

Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads

Table 1607.1

Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads

Live loads specified in Table 1607.1 have been revised and updated for consistency with ASCE 7.

1605.3.1.1 Load reduction 1605.3.1.1 Stress increases

Exception for structures designed in accordance with ACI 530/ASCE 5/TMS 402 has been deleted. New note requires the HVHZ to comply with Section 1616.5.

1605.4 Heliports and helistops 1607.6 Helipads

The terminology and live load design requirements for helipads has been updated for consistency with ASCE 7.

1607.6 Truck and bus garages 1607.7 Heavy vehicle loads

Provisions for the design of structures that support vehicle loads in excess of 10,000 pounds gross vehicle weight have been updated

1607.7

Loads on handrails, guards, grab bars, seats and vehicle barrier systems

1607.8 Loads on handrails, guards, grab bars, seats and vehicle barrier

Loads on handrails, guards, grab bars, seats and vehicle barriers have been updated for consistency with ASCE 7.

1607.8 Impact loads 1607.9 Impact loads

Impact loads for elevators and machinery have been updated for consistency with ASCE 7.

1607.9.1.4 Group A occupancies - -

Section has been deleted as its purpose has been supplanted by the changes to Table 1607.1.

1607.9.1.5 Roof members - -

Section has been deleted as its purpose has been supplanted by the changes to Table 1607.1.

1607.9 Reduction in live loads 1607.10 Reduction in uniform live loads Uniform live load reductions have been updated for consistency with ASCE 7.

1607.11 Roof loads 1607.12 Roof loads Roof loads have been updated for

consistency with ASCE 7. Special purpose

roofs have been separated from the section on reduction of roof loads and clarifies that the provisions for landscaped roofs only apply to unoccupied areas.

1609.1.2.1 Louvers 1609.1.2.1 Louvers

Revised to require louvers required to be open for life safety purposes such as providing a breathable atmosphere to comply with AMCA 540.

- - 1609.1.2.3 Garage doors

New section clarifying that glazed opening protection in garage doors for wind-borne debris has to comply with an approved impact-resisting standard or ANSI/DASMA 115.

1609.1.3 Optional exterior door

component testing - - Section deleted.

1609.1.4 Landward limits of the

wind-borne debris region - - Section deleted.

1609.1.5 Testing to allowable or nominal

loads - - Section deleted.

1609.4.2 Surface roughness categories 1609.4.2 Surface roughness categories

Language in Surface Roughness C definition pertaining to short-term changes in the pre-existing terrain for the purposes of development has been deleted.

1609.7(1) Garage Door and Rolling Door

Wind Loads 1609.7(1) Garage Door and Rolling Door Wind Loads

Table heading revised to show applicable Vult design wind speeds. New note added clarifying that the 0.6 reduction factor for nominal (ASD) wind loads has been applied to the table values.

1609.8 Rooftop structures and

equipment - - Section deleted.

1611.2 Ponding instability 1611.2 Ponding instability

Revised to refer to the new definition of susceptible bay and for coordination with ASCE 7.

- - 1612.4.1 Modifications of ASCE 24 (flood

loads)

New section revising the title Table 6.1 in ASCE 24 and revising Section 6.2.1 in ASCE 24 to permit dry floodproofing in Coastal A Zones.

1612.5 Flood hazard documentation 1612.5 Flood hazard documentation

For construction in coastal high hazard areas, breakaway walls are no longer allowed to resist less than 10 psf.

Regulations of the NFIP do not provide for breakaway wall with a design safe loading resistance of less than 10 psf.

1615.1.3 1615.1.4 1615.1.5

Live loads (HVHZ) - - Sections deleted because they are not